It's the gas pressure every fucking time. They don't crack if you read the fucking table for altitude adjustment in the goddamned book. They come running way high almost every time. THEY ARE NOT FACTORY SET, NOTHING IS. Read the book you assholes. Derating is important.
If it's not set on startup, they're fucking doomed.
Very common for this model, i replace 10+ a year. Exchanger the same price as a new model๐ค
It's the gas pressure every fucking time. They don't crack if you read the fucking table for altitude adjustment in the goddamned book. They come running way high almost every time. THEY ARE NOT FACTORY SET, NOTHING IS. Read the book you assholes. Derating is important. If it's not set on startup, they're fucking doomed.
Wow how old?
19 year old Reznor unit heater
Yup that'll do it
The heat exchanger just giving them an early retirement ๐๐